Algorithms to Check if Intervals are Self-Contained
You are given a two-dimensional list of integers intervals where each element is an inclusive interval . Return whether there’s an interval which contains another interval. Constraints n ≤ …
Teaching Kids Programming – Count the Number of Nodes in Binary Tree using DFS and BFS Algorithm
Teaching Kids Programming: Videos on Data Structures and Algorithms Given a Binary Tree, we can count the number of nodes using either Depth First Search (DFS Algorithm) and Breadth …
Overclocking ARM CPU of Raspberry PI 4 and 400 with Temperature Cooling Measures
Raspberry PI 4 comes by default CPU Clock 1.5G and Raspberry PI 400 has a slightly powerful CPU 1.8G. However, they are not powerful enough if you are going …
Breadth First Search Algorithm to Compute the Max Width of a Binary Tree
Given a binary tree root, return the maximum width of any level in the tree. The width of a level is the number of nodes that can fit between …
How to Convert Arabic Integers to Roman Numerals?
Roman numerals are represented by seven different symbols: I, V, X, L, C, D and M. Symbol Value I 1 V 5 X 10 L 50 C 100 D …
Teaching Kids Programming – Sum of First N Even Numbers (with Mathematic Induction)
Teaching Kids Programming: Videos on Data Structures and Algorithms Yesterday we talked about summing up the first N odd numbers, we know that the equation is N*N. Today, let’s …